HP Modular Cooling System Leveling requirements, Monitoring the quality of cooling solutions

Page 66

Closed-loop water specifications

Raw water

Treated water system

 

 

 

Molybdenum (Mo)

50–300 ppm

50–300 ppm

 

 

 

Tolytriazole

15–20 ppm

15–20 ppm

 

 

 

Suspended solid

< 1 m

< 1 m

 

 

 

Monitoring the quality of cooling solutions

Depending on the type of installation, it is advisable to put in place certain processes and procedures for monitoring the quality of the cooling solution and for performing preventative maintenance. The following table lists common types of contamination and techniques to eliminate them:

Type of impurity

Procedure

 

 

Mechanical

Filter the water using 1-micron filter (3.9e-5 in), sieving

contamination

filter, sand filter, cartridge filter, or pre-coated filter.

 

 

Hardness too high

Soften the water through ion exchange.

 

 

Moderate content of

Add stabilizers, dispersing agents, or both to the water.

mechanical impurities

Use Azole treatment for copper corrosion.

and hardness agents

 

 

 

Moderate content of

Use Anodic inhibitors: Nitrite based treatment

chemical impurities

Use Cathodic inhibitors: Molybdate based treatment

 

 

Inoculate the water with passivators, inhibitors, or both.

 

 

Biological impurities,

Inoculate the water with biocides.

microbacteria, and

 

algae

 

 

 

To ensure ongoing safe reliable operation of the closed-loop cooling system, see "Acceptable water quality range (on page 64)."

Frost damage

To avoid frost damage, the water temperature must not be allowed to fall below the minimum permissible temperature of +4 ºC (+39.2 ºF) at any point in the water cycle.

Before storage or transportation at sub-zero temperatures, the water cycle must be drained completely using compressed air. Avoid setting the target temperature lower than is necessary because the danger of falling below the dew point increases as water temperature decreases (condensation buildup). Ensure that the enclosure is sealed on all sides, and in particular at the cable inlet (condensation formation).

Leveling requirements

Adjust the MCS leveling feet so that the unit is level.

For more information about seismic area considerations, refer to the HP Modular Cooling System Site Preparation Guide on the HP website (http://www.hp.com).

Water quality and leveling requirements, and condensation management 66

Image 66
Contents HP Modular Cooling System User Guide Part Number February 2007 Second EditionAudience assumptions Contents Replaceable parts and maintenance and service information Overview IntroductionReference Configuration factors Optimum environment and site requirementsSite preparation Installation MCS kit contentsRack hardware kit contents Required toolsInstalling the MCS unit Installation Installation Installation Installation Installation Powering up and configuring the unit Installation Installation Installation Installation Installation Return to the Main Menu Network Configuration screen Enter 4 Activate Actual ValuesInstallation Installation Configuring the IP address through the web interface Installation Installation Installation Installation Management module Management module overviewManagement module components Logging in through the terminal emulation program Reference DescriptionAccessing the management module through the web interface Web interface requirementsLogging in through the web interface Software BrowserConnecting an external alarm relay To add an external alarm relayManagement module Serial interface HP Modular Cooling System Utility overviewMain menu Option number Submenu DescriptionMenu Network Configuration submenu IP Configuration submenu Change Passwords submenu Info Configuring HyperTerminal Factory Default submenuConfiguring Minicom Operator display Operator display overviewOperator display components Indicators Meaning Sensors Sensors Water group sensor Snmp notification Type of message Solution Solution Uneven heat load Indicators Meaning Page Indicators Meaning Has been exceeded or the water flow is less than 2 l/min Indicators Meaning Adjusting the operator display Operator display Automatic Door Release Kit Automatic Door Release Kit OverviewFrequently asked questions HP Modular Cooling System frequently asked questionsQuestion Answer Port x set out lf=strip Troubleshooting HP Modular Cooling System troubleshootingIssue Resolution Specifications MCS specificationsSpecification Features Specifications HP 10642 G2 Rack specificationsEnvironmental specifications Thermal and air flow performanceAir and water heat exchanger maintenance Replaceable parts and maintenance and service informationMaintenance and service Replaceable partsWater quality requirements and specifications Cooling water composition guidelinesAcceptable water quality range Hydrological data Acceptable range CSBLeveling requirements Monitoring the quality of cooling solutionsAdjust the MCS leveling feet so that the unit is level Frost damageCondensation management HP contact information Technical supportBefore you contact HP Customer Self RepairRéparation par le client CSR Riparazione da parte del cliente Reparaciones del propio cliente Reparo feito pelo cliente Technical support Technical support Technical support Federal Communications Commission notice Regulatory compliance noticesRegulatory compliance identification numbers ModificationsCables Canadian noticeEuropean Union regulatory notice Regulatory compliance notices Battery replacement notice Taiwan battery recycling noticePower cord statement for Japan Acronyms and abbreviations Simple Mail Transfer Protocol Power distribution unitSystems Insight Manager Simple Network Management ProtocolIndex Index
Related manuals
Manual 10 pages 27.17 Kb Manual 93 pages 20.21 Kb Manual 4 pages 15.71 Kb Manual 16 pages 5.24 Kb Manual 83 pages 40.42 Kb Manual 60 pages 37.09 Kb

Modular Cooling System specifications

The HP Modular Cooling System (MCS) is a state-of-the-art solution designed to efficiently manage the heat generated by high-density IT environments. As data centers face the ever-increasing demand for processing power, traditional cooling methods often fall short, leading to inefficiencies and raised energy costs. The HP MCS addresses this issue with a scalable, flexible design that optimizes cooling performance while minimizing energy consumption.

One of the main features of the HP Modular Cooling System is its modular architecture, which allows for easy expansion and customization based on the specific needs of a data center. This scalability means that as a facility grows or changes, the cooling system can be modified without the need for extensive renovations or replacements. The MCS can be installed in various configurations, further enhancing its versatility.

The technology behind the HP MCS includes advanced cooling methods such as direct evaporative cooling and chilled water cooling. Direct evaporative cooling utilizes the principles of evaporative heat exchange to cool air without excessive energy consumption, making it an eco-friendly choice. In contrast, chilled water cooling uses a network of pipes filled with chilled water to remove heat from the server environment efficiently. This combination allows the MCS to adapt to various heat loads and ambient conditions.

Another notable characteristic of the HP Modular Cooling System is its intelligent controls and sensors. These components continually monitor temperature and humidity levels within the data center, automatically adjusting cooling output to maintain optimal conditions. This proactive approach helps to prevent overheating, reduces energy usage, and ensures the longevity of IT equipment.

Energy efficiency is further enhanced through the MCS's integration with HP's monitoring and management software. This software analyzes cooling performance trends, providing actionable insights for facility managers, enabling them to make informed decisions regarding cooling strategies. Additionally, the system is designed with environmentally sustainable practices in mind, aligning with global initiatives to reduce carbon footprints and promote green technology.

The HP Modular Cooling System stands out for its combination of innovative technologies, flexibility, and a commitment to energy efficiency. As data centers continue to evolve, the MCS remains a crucial asset in the pursuit of optimized performance and sustainability, providing a reliable solution to meet the demanding cooling needs of modern IT infrastructure.